floxif | 7aa3df971efb57af1dfef424d1f6748b72af00010cb8f1bb04d090e26df0a078

General

Target
2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe
Size 177KB
Sample260805-rafwhattas
SHA256 7aa3df971efb57af1dfef424d1f6748b72af00010cb8f1bb04d090e26df0a078
MD5 98a147ce6e9d671a6f4a91fed0477fe2
SHA1 c14a19558388351df45d2c57cebf12de6a1f6523
SHA512 81828ef5823bdf111e75e7f4d26e388a282d89c3b0dfe2439a98cd670d65db0da54a021ef799dab07f9dbd6283769d83352acbd2eff50eeb57f7c41f631cd808
SSDEEP 3072:Vq7DiX2seVWllSP8QLZwgtTIFFjB/K2lQBV+UdE+rECWp7hKBK2:I7Di7eTlZw3FjeBV+UdvrEFp7hKI2
TLSH
T153047C11F541C7FDF06400B6BABD6A7BA9E89D3C070A20C3E3D029965E6D9D27A7021F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor defense_evasion discovery evasion floxif phorphiex loader persistence trojan upx worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.93/
http://feedmefile.top/
http://gotsomefile.top/
http://gimmefile.top/

Wallets

15DBeUGFSQLbpYvWLJwzHUXSRrHNU9uQuS8c2wvFLZ7Nxz3N
1E5ZxnNUbbGQarWjMA7tCwp3Btm38GvRkv
3AcMV5pSUcxMmmcMbfSkJXRKbCrF3ysUDJ
bitcoincash:qqucl3fev20z4upudppa8p5hd6j3zzgyfuwae00pfr
XkcKjKZqNUkChwJXMj5uDjDns6etXvakir
D7MYki8urW3xq8sZJ8Q2v2ZrHxjzp7ACvb
0x76e4CB2fcf7f931Fd750e93F443536Ee068d1cdE
LfYFvpk2hccXw12tN3BBMWh7EcUBMbKoTG
rUQFcff9R1eKAwTtR1wbuQxmcoB236mz44
TEUaG7jyXdyrDS3JeEg1w1hotmmEMjx4TB
t1gTRxsrEXwky32j22jgFRZAafBzmCV2M2V
AT5Vm3ZrUg98s9kBue2g9YjnwK4kFKhQw3
bitcoincash:qqucl3fev20z4upudppa8p5hd6j3zzgyfuwae00pfr
44L2q3sPJ3DMJZiuSpHvehHMLbMXx3SAoVbLm5DWDw1A7PhUvcCPAGg5qAN98DWAUG7CuD4WmydP4JkewTz2aeVd4qhS822
GBLUYL3QTKP3NXVWCYNZ7ZH4CWFT6PVCXEYCNUNSHM34WKG2UL5EDQMV
bnb154sx9pdh8er33ujxlpfk3zwvlfp9rd5rskvvgc
bc1qn4r93am7rxxr4a5dwydhwx0p2kd4xfd7mz42f3

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Signatures

Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif
Family: Phorphiex, Phorpiex
Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.
worm trojan loader phorphiex

Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	lsass.exe

Phorphiex payload 2 IoCs

resource	yara_rule
behavioral1/memory/1524-10-0x00000000005C0000-0x00000000005DE000-memory.dmp	family_phorphiex
behavioral1/files/0x0002000000022be2-16.dat	family_phorphiex

Windows security bypass 2 TTPs 6 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	lsass.exe

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/files/0x000a00000002425b-1.dat	floxif

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/files/0x000a00000002425b-1.dat	UPX
behavioral1/memory/1524-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/1524-11-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/1524-22-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000002425b-1.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
4400	lsass.exe

Loads dropped DLL 1 IoCs

pid	Process
1524	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe

Windows security modification 2 TTPs 7 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	lsass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	lsass.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\21130301013582\\lsass.exe"	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\21130301013582\\lsass.exe"	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000a00000002425b-1.dat	upx
behavioral1/memory/1524-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1524-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1524-22-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1524	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe
1524	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1524	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 4400	1524	2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_98a147ce6e9d671a6f4a91fed0477fe2_elex_floxif_wannacry.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524
- C:\21130301013582\lsass.exe
  C:\21130301013582\lsass.exe
  2⤵
  - Modifies Windows Defender DisableAntiSpyware settings
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  PID:4400

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

symsrv.dll

Path C:\Program Files\Common Files\System\symsrv.dll
Size 67KB
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
TLSH
T17863F1372AB5807DDD210D37949F835AB771E5A76C20643FC25907D988B8DD0E3239AE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

86DEC905F4.tmp

Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\86DEC905F4.tmp
Size 101KB
SHA256 23e021448870b402726a21b4c9121fc5fd3ba6aa2cad432dbb190faa9013f352
MD5 ba7b3a6ca856677c3ceb4c82dc71d64f
SHA1 9fb5020a863b3d5d947eeb2c03d2517284e58442
SHA512 802eb5f8bad8b7b90a75fec817cb67a7af0ce13f4974876c2124ab87bd00dfa0df4be73549a00ea4a8ccf7c03814f3d03557975489f905100807ec825833bd01
SSDEEP 1536:8q3Yc9PthkHQ7/Z33cpy2X2rxNAVy90avllSP/xGZtHZWLZwLnrAtTyJFFLHxL/:8q7DiX2FNAVWllSP8QLZwgtTIFFjB/
TLSH
T12AA33922E551C53DF46500B7DBBAA9BF6A28AD30130530C3F3D06DE66A659E27D3026F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1524-4-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/1524-10-0x00000000005C0000-0x00000000005DE000-memory.dmp

Download

memory/1524-11-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/1524-22-0x0000000010000000-0x0000000010030000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads